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Title: Nuclear resonant inelastic X-ray scattering at high pressure and low temperature

Journal Article · · Journal of Synchrotron Radiation (Online)
 [1];  [2];  [3];  [4];  [2];  [5];  [6];  [7];  [8];  [2]
  1. Univ. of Illinois at Urbana-Champaign, Urbana, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
  3. Univ. of Texas at Austin, Austin, TX (United States); Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai (China)
  4. Chinese Academy of Sciences (CAS), Beijing (China). Inst. of High Energy Physics (IHEP)
  5. Chinese Academy of Sciences (CAS), Beijing (China). Inst. of Physics
  6. Carnegie Inst. of Washington, Argonne, IL (United States). HPSynC
  7. Carnegie Inst. of Washington, Argonne, IL (United States). HPSynC; Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai (China)
  8. Carnegie Inst. of Washington, Argonne, IL (United States). Geophysical Lab.

In this study, a new synchrotron radiation experimental capability of coupling nuclear resonant inelastic X-ray scattering with the cryogenically cooled high-pressure diamond anvil cell technique is presented. The new technique permits measurements of phonon density of states at low temperature and high pressure simultaneously, and can be applied to studies of phonon contribution to pressure- and temperature-induced magnetic, superconducting and metal–insulator transitions in resonant isotope-bearing materials. In this report, a pnictide sample, EuFe2As2, is used as an example to demonstrate this new capability at beamline 3-ID of the Advanced Photon Source, Argonne National Laboratory. A detailed description of the technical development is given. The Fe-specific phonon density of states and magnetism from the Fe sublattice in Eu57Fe2As2 at high pressure and low temperature were derived by using this new capability.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC); National Science Foundation (NSF); National Natural Science Foundation of China (NSFC)
Grant/Contract Number:
AC02-06CH11357; EAR- 0838221; FG02- 99ER45775; 11220101003
OSTI ID:
1241005
Journal Information:
Journal of Synchrotron Radiation (Online), Vol. 22, Issue 3; ISSN 1600-5775
Publisher:
International Union of CrystallographyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 13 works
Citation information provided by
Web of Science

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Microscopic phase diagram of LaFeAsO single crystals under pressure journal November 2018
High-pressure nuclear inelastic scattering with backscattering monochromatization journal August 2019
High-pressure nuclear inelastic scattering with backscattering monochromatization text January 2019
Microscopic phase diagram of LaFeAsO single crystals under pressure text January 2018